CN109113320B - Construction operation method in elevator shaft - Google Patents
Construction operation method in elevator shaft Download PDFInfo
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- CN109113320B CN109113320B CN201811223082.0A CN201811223082A CN109113320B CN 109113320 B CN109113320 B CN 109113320B CN 201811223082 A CN201811223082 A CN 201811223082A CN 109113320 B CN109113320 B CN 109113320B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
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Abstract
The invention discloses a construction operation method in an elevator shaft, which comprises the following steps: A. the method comprises the following steps of obtaining an operation platform, wherein the operation platform comprises a top frame, a supporting frame and an inclined strut member, wherein the supporting frame is provided with a bracket which is vertically arranged, and the top frame is also provided with a lifting lug for lifting; a construction platform is hinged above the top frame, and a height adjusting mechanism and a leveling controller are arranged between the construction platform and the top frame; B. the operation platform is hoisted into the completed elevator shaft through the tower crane, so that the bracket of the operation platform is located on a floor slab at the door of the elevator shaft, the whole operation platform is supported, the height adjusting mechanism is adjusted, the construction platform is in a horizontal state, the installation of the operation platform is completed, and constructors perform construction on the construction platform; C. after the construction is finished, the operation platform is lifted to the previous floor; D. and repeating the steps B and C until the operation construction in the elevator shaft is completed. The invention has the advantages of reducing the construction difficulty, improving the construction environment, being beneficial to improving the construction stability and safety and the like.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction operation method in an elevator shaft.
Background
The operation platform is a platform which is used for standing people and carrying objects and can be operated in site construction. The operating platform should have the necessary strength and stability, and must not shake during use. The stability of the operation platform is beneficial to guaranteeing the safety of construction.
In the modern building industry, there are more and more high-rise buildings, and elevators have become an indispensable part of the high-rise buildings. The elevator shaft is of a reinforced concrete shear wall structure, the size of a foundation plane is small, the height of the foundation plane is high, and the shear wall is dense in reinforcing bars and is of an independent structure. The elevator shaft part is a channel which is communicated up and down, the elevator shaft part belongs to high-altitude operation in the construction process, the safety operation protection construction of the elevator shaft construction is a link which cannot be ignored, and certain dangerous factors exist. When the elevator well is under construction, need set up operation platform in the elevator well, set up the operation platform in the well and often go out the incident easiest, traditional operation platform generally divide into two kinds of modes: when the floor is less, can set up steel pipe scaffold from the elevartor shaft bottom and rise along with the rising of construction surface, when adopting steel pipe scaffold to set up operation platform from the elevartor shaft bottom up successive layer, the height that the scaffold was set up is limited, and it is troublesome to dismantle, takes a lot of work and time. When the floor is higher, adopt the customization formula operation platform, utilize the diagonal brace piece of slope setting, the lower extreme of diagonal brace piece supports as the strong point at next floor lift-cabin door ground, and the other end supports on the shear force wall of elevartor shaft, utilizes the gravity of operation platform self, forms stable structure, and the security is better.
For making things convenient for constructor to be under construction on operation platform, need guarantee operation platform's upper surface level, and present customization formula operation platform adopts the integral type structure in fig. 2 for guaranteeing sufficient structural strength usually, can't carry out the adaptability according to the planar dimension of elevartor shaft and adjust. Within the error range, no matter the plane size of elevartor shaft is too big or undersize, all can change the inclination of diagonal brace piece, and then influence the inclination of operation platform's upper surface, influence constructor's stable construction. Moreover, for the elevator shaft with the plane size being too small, the gap between the operating platform and the elevator shaft is also too small, and when the operating platform is lifted, the operating platform is easy to scrape the inner wall of the elevator shaft.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide an elevator shaft construction operation method which can reduce the construction difficulty, improve the construction environment and is beneficial to improving the construction stability and safety.
In order to solve the technical problems, the invention adopts the following technical scheme:
a construction operation method in an elevator shaft is characterized by comprising the following steps:
A. firstly, obtaining an operating platform with a structure comprising a transversely arranged top frame which is rectangular as a whole, wherein a vertically arranged support frame is fixedly arranged on one side of the top frame, an inclined support piece is fixedly arranged between the top frame and the support frame, the lower end of the inclined support piece is connected to the lower end of the support frame, and the upper end of the inclined support piece is connected to one side of the top frame, which is far away from the support frame; the position, close to the bottom, of the supporting frame is provided with a bracket arranged along the direction departing from the inclined strut member, and the top frame is also provided with a lifting lug for lifting; the included angle between the top frame and the supporting frame is larger than 90 degrees, so that when the bracket and the upper end of the diagonal support member are supported in the elevator shaft, the height of the top frame close to one side of the supporting frame is always lower than that of the other side of the supporting frame; a construction platform which is rectangular integrally is hinged above one side of the top frame, which is far away from the supporting frame, a height adjusting mechanism is arranged between the position of the construction platform, which is far away from the hinge shaft, and the top frame, the height adjusting mechanism comprises a driving device, a leveling controller used for controlling the driving device to act, and an inclination angle sensor arranged at the bottom of the construction platform, and the inclination angle sensor is electrically connected to the leveling controller;
B. the operation platform is hoisted to the upper part of an elevator shaft by a steel wire rope on the tower crane penetrating through a lifting lug, vertically and uniformly drops into the completed elevator shaft, so that a bracket of the operation platform is located on a floor slab of the completed elevator shaft door to serve as a supporting point to support the whole operation platform, after safety inspection, the steel wire rope of the tower crane is removed, the operation platform is installed, and constructors perform operation construction on a stable construction platform;
C. after the construction is finished, namely after a formwork inside the elevator shaft is removed, the operating platform is lifted to the previous floor by a steel wire rope on a tower crane through a lifting lug;
D. and repeating the steps B and C until the operation construction in the elevator shaft is completed.
Further, the height adjusting mechanism comprises a linear telescopic mechanism and a wedge block assembly, wherein the linear telescopic mechanism is installed on the top frame, the wedge block assembly is integrally triangular, the wedge block assembly is installed at the telescopic end of the linear telescopic mechanism and faces towards the hinged side of the construction platform and the top frame, and when the telescopic end of the linear telescopic mechanism extends out, the wedge block assembly slides towards the hinged side of the construction platform and the top frame and enables the construction platform to rotate upwards relative to the top frame; the driving device is connected with the linear telescopic mechanism.
Further, the driving device is a driving motor, and the linear telescopic mechanism comprises a screw rod coaxially mounted on an output shaft of the driving motor and a screw rod nut matched with the screw rod; the lead screw nut is fixedly installed on the wedge block assembly, a through hole which is coaxial with the lead screw nut is formed in the wedge block assembly, and the lead screw penetrates through the through hole of the wedge block assembly, so that the driving motor drives the wedge block assembly to move along the lead screw when rotating.
Further, the wedge block assembly comprises a lower wedge block which is attached to the top frame in a sliding mode, and an upper wedge block which is attached to the construction platform in a sliding mode, wherein the upper wedge block is hinged to the lower wedge block through a hinge shaft, and the hinge shaft is parallel to the hinged side of the construction platform and the top frame; and the feed screw nut is fixedly arranged on the lower wedge block.
Further, the wedge block assembly further comprises guide rails arranged on the upper surface of the top frame and the lower surface of the construction platform, and the guide rails are arranged along the length direction of the screw rod; the upper wedge block and the lower wedge block are provided with guide grooves matched with the guide rails, the upper wedge block is slidably matched on the guide rails on the construction platform through the guide grooves, and the lower wedge block is slidably matched on the guide rails on the top frame through the guide grooves.
Furthermore, the bracket and the included angle of the lower end of the supporting frame are 75-80 degrees.
Furthermore, the included angle between the top frame and the supporting frame is 95-115 degrees.
Furthermore, the supporting frame comprises two vertically arranged supporting rods and a cross rod which is transversely connected between the two supporting rods; the width of the two support rods is smaller than that of the elevator shaft door, one bracket is vertically arranged on each support rod, and the distance between each bracket and the bottom of each support rod and the length of each bracket are 300-400 mm; the inclined supporting piece comprises two inclined supporting rods which are respectively arranged on the two supporting rods, one end of each inclined supporting rod is fixedly connected to the lower end of each supporting rod, and the other end of each inclined supporting rod is fixedly connected to one side, away from the supporting frame, of the top frame; the construction platform comprises a rectangular frame formed by welding four cross beams and four longitudinal beams, and a steel plate paved on the rectangular frame; one side of the rectangular frame is hinged on the top frame.
Further, in the step a, a suspended swing plate is hinged to one side of the top frame, which is away from the support frame, and a telescopic jacking device is arranged between the middle part of the swing plate and the inclined strut member, so that the lower end of the swing plate rotates around the top frame; and in the step B, before safety inspection, the telescopic end of the telescopic jacking device extends out to enable the swing plate to be jacked on the shear wall of the elevator shaft.
Furthermore, the telescopic jacking device is a hydraulic oil cylinder connected with a hydraulic system, and two ends of the hydraulic oil cylinder are respectively hinged to the swing plate and the inclined support piece.
In conclusion, the invention has the advantages of reducing the construction difficulty, improving the construction environment, being beneficial to improving the construction stability and safety and the like.
Drawings
Fig. 1 is a schematic view of a structure in which an automatic leveling operation platform is installed in a hoistway.
Fig. 2 is a schematic structural view of a conventional elevator shaft operating platform.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the specific implementation: as shown in fig. 1, an automatic leveling operation platform comprises a top frame 1 which is horizontally arranged and is rectangular as a whole, wherein a supporting frame 2 which is vertically arranged is fixedly installed on one side of the top frame 1, an inclined strut member 3 is fixedly installed between the top frame 1 and the supporting frame 2, the lower end of the inclined strut member 3 is connected to the lower end of the supporting frame 2, and the upper end of the inclined strut member is connected to one side of the top frame 1, which is far away from the supporting frame 2; a bracket 4 arranged in the direction departing from the inclined strut member 3 is arranged at the position, close to the bottom, of the support frame 2, and a lifting lug for lifting is further arranged on the top frame 1; the included angle between the top frame 1 and the supporting frame 2 is larger than 90 degrees, so that when the upper ends of the brackets 4 and the inclined supporting pieces 3 are supported in the elevator shaft, the height of one side, close to the supporting frame, of the top frame 1 is always lower than that of the other side; top frame 1 deviates from one side top of carriage 2 articulates there is whole construction platform 5 that is the rectangle, construction platform 5 keep away from the hinge the position with be provided with height adjusting mechanism 6 between the frame 1, height adjusting mechanism 6 includes drive arrangement for the leveling controller of control drive arrangement action, and install the angular transducer of 5 bottoms of construction platform, the angular transducer electricity is connected the leveling controller. During implementation, the leveling controller is a DP500 automatic leveling controller produced by Raffine technology, the controller can be used for setting a threshold value for adjusting an angle, once the inclination angle of the construction platform exceeds the set threshold value, the leveling controller controls the driving mechanism to act until the inclination angle of the construction platform is within the set threshold value.
By adopting the structure, when the elevator car is used, the bracket on the supporting frame is supported on the floor of the elevator shaft door of the next floor, so that the joint of the inclined supporting piece and the top frame is abutted against the shear wall in the elevator shaft, and is clamped in the elevator shaft by depending on the self weight of the operating platform. Because the height that the top frame is close to braced frame one side is less than the height of opposite side all the time, and construction platform articulates in the higher one side of top frame, just can utilize the high adjustment mechanism between construction platform and the top frame, adjusts construction platform to the horizontality, provides more steady construction plane for constructor, is favorable to workman's construction and improves the construction security. Meanwhile, whether the construction platform is in a horizontal state or not can be detected by using the inclination angle sensor arranged at the bottom of the construction platform, the driving device can be controlled by the leveling controller, the height of the height adjusting mechanism is automatically adjusted, and the automatic leveling of the construction platform is realized. In addition, because the included angle between the top frame and the supporting frame is larger than 90 degrees, and the height of one side, close to the supporting frame, of the top frame is always lower than that of the other side, the projection size of the top frame in the height direction of the supporting frame is absolutely smaller than the plane size of the elevator shaft. Like this, when lifting by crane operation platform, have sufficient clearance between operation platform and the elevartor shaft, can avoid operation platform to scrape the inner wall of elevartor shaft.
In implementation, the height adjusting mechanism 6 includes a linear telescopic mechanism 61 mounted on the top frame 1 and a wedge block assembly 62 having a triangular shape as a whole, the wedge block assembly 62 is mounted at a telescopic end of the linear telescopic mechanism 61 and faces a hinged side of the construction platform 5 and the top frame 1, when the telescopic end of the linear telescopic mechanism 61 extends, the wedge block assembly 62 slides towards the hinged side of the construction platform 5 and the top frame 1, and the construction platform 5 rotates upward relative to the top frame 1; the driving device is connected with the linear telescopic mechanism 61.
Because operation platform card is when in the elevator shaft, the inclination of construction platform relative to the horizontal plane is less usually, adopts above-mentioned structure, utilizes sharp telescopic machanism extrusion construction platform and pushes up the voussoir mechanism between the frame, can reduce the great flexible volume of sharp telescopic machanism and convert the less lifting volume that the voussoir subassembly removed the in-process into, is convenient for realize the accurate control to construction platform height.
In implementation, the driving device is a driving motor, and the linear telescopic mechanism 61 comprises a screw rod coaxially mounted on an output shaft of the driving motor and a screw nut matched with the screw rod; the lead screw nut is fixedly arranged on the wedge block assembly 62, a through hole which is coaxial with the lead screw nut is formed in the wedge block assembly 62, and the lead screw penetrates through the through hole of the wedge block assembly 62, so that the wedge block assembly is driven to move along the lead screw when the driving motor rotates.
In the structure, the wedge block assembly is driven to move by the aid of the lead screw nut pair, and the lead screw nut pair has good self-locking capacity, so that control over the driving motor can be stopped after the construction platform is adjusted to be in a horizontal state, the construction platform is locked in the horizontal state by the aid of the lead screw nut pair, the structure is more stable and reliable, and use safety is improved.
In practice, the wedge assembly 62 comprises a lower wedge slidably attached to the top frame 1, and an upper wedge slidably attached to the construction platform 5, the upper wedge being hinged to the lower wedge by a hinge axis parallel to the hinged side of the construction platform 5 and top frame 1; and the feed screw nut is fixedly arranged on the lower wedge block.
Like this, because last voussoir and lower voussoir are articulated each other for the voussoir subassembly is at the removal in-process, and the upper surface of going up the voussoir can laminate construction platform all the time, and the lower surface of lower voussoir can laminate the top frame all the time, thereby can reduce voussoir mechanism, top frame and construction platform's wearing and tearing, be favorable to increase of service life.
In practice, the wedge assembly 62 further includes a guide rail installed on the upper surface of the top frame 1 and the lower surface of the construction platform 5, and the guide rail is arranged along the length direction of the screw rod; the upper wedge block and the lower wedge block are provided with guide grooves matched with the guide rails, the upper wedge block is slidably matched on the guide rails on the construction platform 5 through the guide grooves, and the lower wedge block is slidably matched on the guide rails on the top frame 1 through the guide grooves.
Therefore, the guide rail can control the moving direction of the upper wedge block and the lower wedge block, and the good lubrication between the guide rail and the guide groove can be utilized to improve the smoothness of adjustment.
During implementation, the included angle between the bracket 4 and the lower end of the support frame 2 is 75-80 degrees.
Like this, when bracket and supporting frame butt were subaerial at elevator gate, the tip and the supporting part contact of bracket and supporting frame, especially the tip of bracket supported ground down, and difficult slip for the support of bracket is more stable.
In the implementation process, the included angle between the top frame 1 and the supporting frame 2 is 95-115 degrees.
In implementation, the supporting frame 2 comprises two vertically arranged supporting rods and a cross rod which is transversely connected between the two supporting rods; the width of the two support rods is smaller than that of the elevator shaft door, one bracket 4 is vertically arranged on each support rod, and the distance from each bracket 4 to the bottom of each support rod and the length of each bracket 4 are both 300-400 mm; the diagonal support member 3 comprises two diagonal support rods which are respectively arranged on the two support rods, one end of each diagonal support rod is fixedly connected to the lower end of each support rod, and the other end of each diagonal support rod is fixedly connected to one side, away from the support frame 2, of the top frame 1; the construction platform 5 comprises a rectangular frame formed by welding four cross beams and four longitudinal beams, and a steel plate paved on the rectangular frame; one side of the rectangular frame is hinged on the top frame 1.
During implementation, one side of the top frame 1, which is far away from the supporting frame 2, is hinged with a suspended swing plate 8, and a telescopic jacking device 7 is arranged between the middle part of the swing plate 8 and the inclined supporting piece 3, so that the lower end of the swing plate 8 rotates around the top frame 1.
When the elevator shaft supporting device is used, the telescopic end of the telescopic jacking device can extend outwards, so that the swing plate is abutted against the wall of the elevator shaft on one side away from the elevator door, the telescopic jacking device is arranged in the middle of the swing plate, the swing plate can only be tightly attached to the wall under the action of the telescopic jacking device, the jacking frame is hinged with the upper end of the swing plate, the jacking frame can be ensured to be always abutted against the inner wall of the elevator shaft, the lower end of the inclined support piece moves towards the direction of the elevator door under the action of the telescopic jacking device, and the bracket can be stably and reliably abutted against the ground of the elevator shaft, so that the stability and the use safety of an operation platform are improved.
During implementation, the telescopic jacking device 7 is a hydraulic oil cylinder connected with a hydraulic system, and two ends of the hydraulic oil cylinder are respectively hinged to the swing plate 8 and the inclined support member 3.
The hydraulic oil cylinder can provide larger jacking pressure, and the operating platform can be reliably clamped in the elevator shaft.
During specific construction, a steel wire rope on a tower crane penetrates through a lifting lug, the operating platform is lifted and transported to the upper part of an elevator shaft, and vertically and uniformly falls into the finished elevator shaft, so that a bracket of the operating platform is located on a floor slab at the doorway of the finished elevator shaft and serves as a supporting point to support the whole operating platform, a telescopic end of a telescopic jacking device extends out and jacks on a shear wall of the elevator shaft, and the steel wire rope of the tower crane is removed after safety inspection; adjusting the height adjusting mechanism to enable the construction platform to be in a horizontal state, completing installation of the operation platform, and enabling constructors to carry out operation construction on the stable construction platform; after the construction is finished, namely after a formwork inside the elevator shaft is removed, the operating platform is lifted to the previous floor by a steel wire rope on a tower crane through a lifting lug; and repeating the steps to carry out the next installation work until the operation and construction in the elevator shaft are completed.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A construction operation method in an elevator shaft is characterized by comprising the following steps:
A. firstly, obtaining an operating platform with a structure comprising a top frame (1) which is transversely arranged and is rectangular integrally, wherein a supporting frame (2) which is vertically arranged is fixedly installed on one side of the top frame (1), an inclined supporting piece (3) is fixedly installed between the top frame (1) and the supporting frame (2), the lower end of the inclined supporting piece (3) is connected to the lower end of the supporting frame (2), and the upper end of the inclined supporting piece is connected to one side, deviating from the supporting frame (2), of the top frame (1); a bracket (4) arranged in the direction departing from the diagonal support piece (3) is arranged at the position, close to the bottom, of the support frame (2), and a lifting lug for lifting is further arranged on the top frame (1); the included angle between the top frame (1) and the supporting frame (2) is larger than 90 degrees, so that when the upper ends of the corbels (4) and the diagonal support members (3) are supported in the elevator shaft, the height of one side, close to the supporting frame, of the top frame (1) is always lower than that of the other side; a construction platform (5) which is rectangular integrally is hinged above one side of the top frame (1) departing from the support frame (2), a height adjusting mechanism (6) is arranged between the position of the construction platform (5) far away from the hinge shaft and the top frame (1), the height adjusting mechanism (6) comprises a driving device, a leveling controller used for controlling the driving device to act, and an inclination angle sensor arranged at the bottom of the construction platform (5), and the inclination angle sensor is electrically connected to the leveling controller;
B. the operation platform is hoisted to the upper part of an elevator shaft by a steel wire rope on the tower crane penetrating through a lifting lug, vertically and uniformly drops into the completed elevator shaft, so that a bracket of the operation platform is located on a floor slab of the completed elevator shaft door to serve as a supporting point to support the whole operation platform, after safety inspection, the steel wire rope of the tower crane is removed, the operation platform is installed, and constructors perform operation construction on a stable construction platform;
C. after the construction is finished, namely after a formwork inside the elevator shaft is removed, the operating platform is lifted to the previous floor by a steel wire rope on a tower crane through a lifting lug;
D. repeating the steps B and C until the operation construction in the elevator shaft is completed;
the height adjusting mechanism (6) comprises a linear telescopic mechanism (61) and a wedge block assembly (62), wherein the linear telescopic mechanism (61) is installed on the top frame (1), the wedge block assembly (62) is integrally triangular, the wedge block assembly (62) is installed at the telescopic end of the linear telescopic mechanism (61) and faces towards the hinged side of the construction platform (5) and the top frame (1), when the telescopic end of the linear telescopic mechanism (61) extends out, the wedge block assembly (62) slides towards the hinged side of the construction platform (5) and the top frame (1), and the construction platform (5) rotates upwards relative to the top frame (1); the driving device is connected with the linear telescopic mechanism (61).
2. The method of claim 1, wherein the driving means is a driving motor, and the linear expansion mechanism (61) includes a lead screw coaxially mounted on an output shaft of the driving motor and a lead screw nut fitted on the lead screw; the feed screw nut is fixedly arranged on the wedge block assembly (62), a through hole which is coaxial with the feed screw nut is formed in the wedge block assembly (62), and the feed screw penetrates through the through hole of the wedge block assembly (62), so that the drive motor drives the wedge block assembly to move along the feed screw when rotating.
3. A method of construction work in an elevator shaft according to claim 2, characterized in that the wedge assembly (62) comprises a lower wedge slidably attached to the top frame (1), and an upper wedge slidably attached to the construction platform (5), the upper wedge being hinged to the lower wedge by a hinge axis parallel to the hinged sides of the construction platform (5) and top frame (1); and the feed screw nut is fixedly arranged on the lower wedge block.
4. A method of interior construction work of an elevator shaft according to claim 3, wherein the wedge assembly (62) further comprises guide rails installed on an upper surface of the top frame (1) and a lower surface of the construction platform (5), the guide rails being provided along a length direction of the wire rod; the upper wedge block and the lower wedge block are provided with guide grooves matched with the guide rails, the upper wedge block is slidably matched on the guide rails on the construction platform (5) through the guide grooves, and the lower wedge block is slidably matched on the guide rails on the top frame (1) through the guide grooves.
5. The construction method in the elevator shaft is characterized in that the included angle between the bracket (4) and the lower end of the supporting frame (2) is 75-80 degrees.
6. The method of claim 1, wherein the angle between the head frame (1) and the support frame (2) is 95-115 °.
7. The construction work method in the elevator shaft according to claim 1, characterized in that the supporting frame (2) comprises two vertically arranged supporting rods and a cross rod connected between the two supporting rods in a transverse direction; the width of the two support rods is smaller than that of the elevator shaft door, one bracket (4) is vertically arranged on each support rod, and the distance from each bracket (4) to the bottom of each support rod and the length of each bracket (4) are both 300-400 mm; the inclined supporting piece (3) comprises two inclined supporting rods which are respectively arranged on the two supporting rods, one end of each inclined supporting rod is fixedly connected to the lower end of each supporting rod, and the other end of each inclined supporting rod is fixedly connected to one side, away from the supporting frame (2), of the top frame (1); the construction platform (5) comprises a rectangular frame formed by welding four cross beams and four longitudinal beams, and a steel plate paved on the rectangular frame; one side of the rectangular frame is hinged on the top frame (1).
8. The construction operation method in the elevator shaft is characterized in that in the step A, a suspended swing plate (8) is hinged to one side, away from the supporting frame (2), of the top frame (1), and a telescopic jacking device (7) is arranged between the middle part of the swing plate (8) and the inclined strut member (3) to enable the lower end of the swing plate (8) to rotate around the top frame (1); and in the step B, before safety inspection, the telescopic end of the telescopic jacking device extends out to enable the swing plate to be jacked on the shear wall of the elevator shaft.
9. The construction and operation method in the elevator shaft according to claim 8, characterized in that the telescopic jacking device (7) is a hydraulic oil cylinder connected with a hydraulic system, and two ends of the hydraulic oil cylinder are respectively hinged on the swing plate (8) and the diagonal support member (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811223082.0A CN109113320B (en) | 2018-10-19 | 2018-10-19 | Construction operation method in elevator shaft |
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| CN201811223082.0A CN109113320B (en) | 2018-10-19 | 2018-10-19 | Construction operation method in elevator shaft |
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| CN109113320B true CN109113320B (en) | 2020-06-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110306776B (en) * | 2019-06-25 | 2020-05-29 | 湖北勇胜建设工程有限公司 | Lifting platform for high-rise building elevator shaft construction |
| CN110306777B (en) * | 2019-06-25 | 2021-07-09 | 南通居者安建筑科学研究院有限公司 | Construction method applied to elevator shaft lifting platform in building engineering |
| CN113445768A (en) * | 2021-04-22 | 2021-09-28 | 荣华建设集团有限公司 | Rapid elevator shaft hard protection device and construction process thereof |
| CN114109009B (en) * | 2021-11-13 | 2023-05-16 | 中建八局第三建设有限公司 | Combined supporting type well operation platform |
| CN114197848B (en) * | 2021-11-25 | 2023-04-07 | 中建八局第二建设有限公司 | Novel elevator well promotion formula bracing operation steel platform |
| CN114575737B (en) * | 2022-03-21 | 2023-07-11 | 中建八局第一建设有限公司 | Novel steel cat ladder is used temporarily in assembled structural construction |
| CN114775986A (en) * | 2022-03-25 | 2022-07-22 | 陕西帕源路桥建设有限公司 | Gyroscope horizontal control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4450935A (en) * | 1982-12-27 | 1984-05-29 | Gustavus David C | Portable adjustable roof platform |
| KR100664481B1 (en) * | 2006-01-26 | 2007-01-04 | (주) 콘스텍 | Break apparatus for scaffold |
| CN105971262B (en) * | 2016-04-20 | 2018-01-30 | 胡彦彬 | A kind of attached wall support operation post of foldable tool formula |
| CN205908003U (en) * | 2016-08-04 | 2017-01-25 | 中国建筑第七工程局有限公司 | Quick detach formula elevator shaft operating platform |
| CN107190964A (en) * | 2017-06-02 | 2017-09-22 | 北京首钢建设集团有限公司 | A kind of construction method of prefabricated hoistway operation platform |
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